EpsB

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  • Description: extracellular polysaccharide synthesis, putative protein tyrosine kinase

Gene name epsB
Synonyms yveL
Essential no
Product unknown
Function biofilm formation
Gene expression levels in SubtiExpress: epsB
Interactions involving this protein in SubtInteract: EpsB
Regulation of this protein in SubtiPathways:
Biofilm
MW, pI 24 kDa, 9.918
Gene length, protein length 681 bp, 227 aa
Immediate neighbours epsC, epsA
Sequences Protein DNA DNA_with_flanks
Genetic context
YveL context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
EpsB expression.png















Categories containing this gene/protein

protein modification, biofilm formation

This gene is a member of the following regulons

AbrB regulon, SinR regulon

The gene

Basic information

  • Locus tag: BSU34360

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate (according to Swiss-Prot)
  • Paralogous protein(s): PtkA

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 2VED (CapB, the homolog in Staphylococcus aureus) PubMed
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:
  • FLAG-tag construct: GP1541 (epsB-3xFLAG spc trpC2) , available in Jörg Stülke's lab

Labs working on this gene/protein

Richard Losick, Harvard Univ., Cambridge, USA homepage

Your additional remarks

References

Reviews

Massimiliano Marvasi, Pieter T Visscher, Lilliam Casillas Martinez
Exopolymeric substances (EPS) from Bacillus subtilis: polymers and genes encoding their synthesis.
FEMS Microbiol Lett: 2010, 313(1);1-9
[PubMed:20735481] [WorldCat.org] [DOI] (I p)


Original publications

Christine Diethmaier, Nico Pietack, Katrin Gunka, Christoph Wrede, Martin Lehnik-Habrink, Christina Herzberg, Sebastian Hübner, Jörg Stülke
A novel factor controlling bistability in Bacillus subtilis: the YmdB protein affects flagellin expression and biofilm formation.
J Bacteriol: 2011, 193(21);5997-6007
[PubMed:21856853] [WorldCat.org] [DOI] (I p)

Martin Lehnik-Habrink, Marc Schaffer, Ulrike Mäder, Christine Diethmaier, Christina Herzberg, Jörg Stülke
RNA processing in Bacillus subtilis: identification of targets of the essential RNase Y.
Mol Microbiol: 2011, 81(6);1459-73
[PubMed:21815947] [WorldCat.org] [DOI] (I p)

Onuma Chumsakul, Hiroki Takahashi, Taku Oshima, Takahiro Hishimoto, Shigehiko Kanaya, Naotake Ogasawara, Shu Ishikawa
Genome-wide binding profiles of the Bacillus subtilis transition state regulator AbrB and its homolog Abh reveals their interactive role in transcriptional regulation.
Nucleic Acids Res: 2011, 39(2);414-28
[PubMed:20817675] [WorldCat.org] [DOI] (I p)

Kazuo Kobayashi
SlrR/SlrA controls the initiation of biofilm formation in Bacillus subtilis.
Mol Microbiol: 2008, 69(6);1399-410
[PubMed:18647168] [WorldCat.org] [DOI] (I p)

Vanesa Olivares-Illana, Philippe Meyer, Emmanuelle Bechet, Virginie Gueguen-Chaignon, Didier Soulat, Sylvie Lazereg-Riquier, Ivan Mijakovic, Josef Deutscher, Alain J Cozzone, Olivier Laprévote, Solange Morera, Christophe Grangeasse, Sylvie Nessler
Structural basis for the regulation mechanism of the tyrosine kinase CapB from Staphylococcus aureus.
PLoS Biol: 2008, 6(6);e143
[PubMed:18547145] [WorldCat.org] [DOI] (I p)

Yunrong Chai, Frances Chu, Roberto Kolter, Richard Losick
Bistability and biofilm formation in Bacillus subtilis.
Mol Microbiol: 2008, 67(2);254-63
[PubMed:18047568] [WorldCat.org] [DOI] (P p)

Frances Chu, Daniel B Kearns, Steven S Branda, Roberto Kolter, Richard Losick
Targets of the master regulator of biofilm formation in Bacillus subtilis.
Mol Microbiol: 2006, 59(4);1216-28
[PubMed:16430695] [WorldCat.org] [DOI] (P p)

Daniel B Kearns, Frances Chu, Steven S Branda, Roberto Kolter, Richard Losick
A master regulator for biofilm formation by Bacillus subtilis.
Mol Microbiol: 2005, 55(3);739-49
[PubMed:15661000] [WorldCat.org] [DOI] (P p)